Diesel Mechanic Day Shift
Old Dominion Freight Line
- Location
- Des Plaines, IL
- Work model
- On-Site
- Level
- Mid
- Posted
- Aug 12, 2026
About this role
At Old Dominion, we don't just move freight—we help businesses keep their promises. As one of the nation's leading LTL carriers, we've earned our reputation by putting people first, delivering premium service, and staying true to the values that have guided us for more than 90 years. Our PROMISES values shape how we work, our family culture shapes how we treat one another, and our commitment to being the Best in the Game drives everything we do. If you're looking for more than just a job, you'll find a career built on trust, teamwork, and opportunity at OD. Old Dominion is looking for a dedicated individual who values safety, teamwork, and excellence to join the OD Family as a Maintenance Technician. In this role, you'll play a vital part in keeping our fleet running smoothly by performing preventative maintenance, diagnosing mechanical and electrical issues, and ensuring timely repairs. You'll ensure compliance with industry standards and regulations while upholding our commitment to top-tier service. If you're passionate about hands-on work, take pride in solving complex problems, and thrive in a collaborative environment, we want you to be part of our team.
Job Summary
Repair company equipment in a safe, timely, cost effective and practical manner including performing preventative maintenance, general repairs, troubleshooting and electronic diagnostics.
Primary Responsibilities
Build, rebuild and repair all parts of company equipment as may be required in the department Diagnose any mechanical, electrical or other breakdown or failure to a motor truck or related equipment Read precision instruments such as micrometers, dial indicators, bore gauges, voltmeters, digital multi-meters, calibrators and other electronic diagnostic tools Troubleshoot and perform failure analysis of the component parts and systems on the truck or truck tractor; or the component parts and systems of the trailer or converter dolly (This requirement may not apply to body and frame specialists) When applicable use welding skills and knowledge of metals to complete truck repairs Individuals who work on converter dollies must be able to weld horizontally and vertically without air pockets in the bead Apply knowledge of DOT, EPA, ICC, and OSHA rules and regulations This is not an all-inclusive list of job responsibilities and duties. Employees are expected and must be able to perform all duties and tasks as assigned. Job Qualifications Education: High School degree or equivalent Experience: Experience working as a maintenance technician or equivalent education Experience with truck repair, body and frame repair Must provide own tools to perform job duties Ability to complete required paperwork and records Must possess a valid Commercial Driver’s License (when required) Working knowledge of most systems located on a truck/truck tractor, a semi-trailer or converter dolly Proficient at reading precision instruments such as micrometers, dial indicators, bore gauges, voltmeters, digital multi-meters, calibrators and other electronic diagnostic tools Ability to troubleshoot and do failure analysis of some of the component parts and systems on the truck or truck tractor; or the component parts and systems of the trailer or converter dolly (This requirement may not apply to body and frame specialists) Knowledge of DOT, EPA, ICC and OSHA rules and regulations Willingness to participate in training classes offered and/or requested by the company and willingness to attend when the class is offered which might require a shift change Willing to take written and/or oral tests to provide management with information to be used for management and classification Consistent with company policies, individuals are expected to maintain superior customer relations Willing to work on any piece of rolling stock and associated equipment as directed by the company Physical Demands The physical demands described here are representative of those that must be met by an employee